Typographic casting machine



July 9, 1929., Y M C, lNDAHL lwzol l TYPOGRAPHIC CASTING MACHINE Filed March 3, 1928 15 Sheetsheet 2 July 9, 1929.

M. C. INDAHL TYPoGRAPHc CASTING MACHINE Filed Ma'ren s, 1928 15 Sheets-Sheet 5 VE/V TOR.

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July 9, 1929. yM c, lNnAHL l 1.720.331

TYPOGRAPHIC CASTING momma Filed March 3, 1928 15 Sheets-Sheet -4 VVE/v TOR; BYNaurilz C. Ihdahl,

July 9, 1929. M. c. INDAHL TYPOGRAPHIC CASNNG'MAGHINE Filed March 3, 1928 l5' Sheets-Sheet 5 EN Q@ N Clndahl,

July 9 1929 M. c. iNDAHL.

"TYPGHPHIC CASTING MACHINE Filed March 3. 19223 l5 Sheetswsheet 6 July 9; 1929 M. c. INDNHI.A 1.720.331 l I TYPOGRAPHIC CASTING MACHINE Filed March 3, 1928 15 SheetS-Sheet '7 July 9, 1929. M C; lNDAHL 11.720.331

TYPOGRAPHIC CASTING MACHINE l Filed March 3, 1928 15 Sheets-Sheet `9 u Z 0/0 9E 0/0 W A i 45 july 9,"1929.

M. C. INDAHL TYPOGRAPHIC CASTING MACHINE Filed March 3, 1928 15 Sheets-,Sheet 10 1 Y #ml mun WIN) VE /V TOR. Naurilz C. Indahl,

M. c. INDAHL TYPOGRAPHIC CASTING MACHINE Filed March 5. 1928 15 Sheets-Sheet 1l July 9, 1929. M. c. INDAHL TYPQGRAPHIG CASTINGv MACHINE 15 Sheets-Sheet l2 I, ,Tw 1n a N @m WW T l T Nc N im u V I H N m m Y MN B m WL" MQW N NQ s Wm mm WM W um r L July v9, 1929.

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UNITED STATES MAURITZ c. INDAHL, on PHILADELPHIA, MoNoTYPn MACHINE COMPANY, or Pm PATENT OFFICE..`

PENNSYLVANIA, AssIGNoR r'ro LANs'roN LADELPHIA, PENNSYLVANIA, A CORPORA- Application filed March 3, 1928. Serial No. 258,981.

rlhis invention relates to typographie casting machines [or producing elements oit printing :terms such as types, and strip material 'ncluding printers furniture. The principal object of this invention is to pro.- rfluce a machine for casting types, either those being type-high and bearing a printing face or those oit lower height which are eommonly called quads or spaces, and also for producing liused strips, the latter being either type high, such as rules or fancy borders, or of lower height such as leads, slugs or furniture, the type producing and strip producing being, it desired, automatically governed by the machine so that a combination thereof will cast material of any detinite length and eject it 'from the mold of the niacliine without the necessity of cutting to accurate length.

Another object is capable ot casting by closed, for example, 'ters Patent No. 1,222,415, 1917, combined with casting ilfusion process disclosed, for example, in United States Letters Patent No. 1,257,006, dated February 19, 1918, such combination being productive of any desired length of material without cutting te length. Among other objects may be mentioned the production et a mold provided with a ci'oss block to close one side of the mold when types are being cast, and, when strip material is being a st, to exert pressure on the partly ejected strip to hold it against movement during the :asting ot the next section of the fused strip material; governing mechanism for auto n'iatically controlling the movements of the mold blade so as to produce one or more fusion casts followed by a non-fusion cast or its equivalent; other objects will be hereinafter pointed out or will otherwise appear in connection with the 'following description oli the embodiment of 'the invention illustinted Ain the accompanying drawings in which:

Fig. 1 .is a Jfront elevation` oit the machine, certain parts being broken away',`

F ig. 2 is a plan view ol the saine,

Fig. 3 is a left end elevation,

Fig. 4t is a right end elevation,

Fig. 5 is an enlarged plan oi the governing and driving mechanisms 'tor the mold to rproduce a machine the fusion process disin United States Letdated April 10',

by the nonblade, the mold being shown in horizontal section,

Fig. 6 is an enlarged plan of the right end of the machine, the mold being removed `from its base and the galley pan being removed,

Fig. 7 is an enlarged vertical section on substantially line 7-7 of Fig. 2,

Fig. 8 is an enlarged vertical section on substantially line 88 oli Fig. 2,

Fig. 9 is an enlarged vertical section of the mold in line with the blade and showing a first cast,

Fig. 10 is a section similar to that oli Fic. 9 but showing several fused casts,

Fig. 11 is a vertical cross section of the mold in line with the material clamping device,

Fig. 12 is a perspective view showing the Various parts of the mold in separated relation,

Fig. 13 is a section oit the mold similar to that of Fig. 9 and of the micrometer stop for the mold blade, the mold blade position being that for making small types,

Fig. 141 is a perspective View ot the type shown in Fig. 13,

Fig. 15 is a perspective view oi. the stop for mold blade connecting slide,

Fig. 16 is a perspective view blade connecting slide,

Fig. 17 is a view similar to that of Fig. 13 but showing the micrometer stop elevated,

Fig. 18 is a perspective view of a type shown in Fig. 17,

Fig. 19 is a perspective view of the mold blade and cores for producing hollow material,

Fig. 20 is a section on approximately line 20-20 of Fig. 5 showing the moldblade governing mechanism,

Fig. 21 is a longitudinal section through the setting drum oi' the governing mechanism on approximately line 21-21 of Fie'. 2o,

Fig. 22 is a cross section on approximately line 22-22 of Fig. 5,

Fig. 23 is a section on approximately line 23-23 of Fig. 5, showing particularly the drive mechanism for the setting drum,

Fig. 211 is a section on approximately line 24;-241 oli Fig. 2,

Fig. 25 is a section on approximately line 25-25 oit Fig. 24.

of the mold points the mold blade lever lever 5, the matrix lever 6, the cross block The machine illustrated has a hollow, boxlike base l on which is mounted the main stand 2 on which is supported various mechanisms of the machine. The main stand 2 is stepped, the upper step 2 being` toward the rear and supporting thereon particularly the mold -andits control operating mechanism: the lower step 2 supports a bearing bracket 3 The general form of the machine is similar to that shown in United States Letters Patent No. 1,581,125, dated April 20, 1926. The bearings 3 support at intermediate 4, the pump lever 7, 'the holding plug lever 8 andthe cut off slide lever 9. These levers are substantially vertical, their lower ends extending Within the main stand 2 and being provided With cam rollers for Contact with the respective cams 4, 5, G the main shaft main stand.

extend above 7, 8, and 9', on 10 suitably mounted in the The upper ends of these levers the step 2 or the step 2 Vand are coupled With various devices to be operated by them as will described.

The machine shown may subsequently be be driven by the 11, which may be connected a suitable speed device preferably mounted Within the base 1. This device may beof any suitable construction, its purpose being' to produce any desired speed for the main shaft, and the particular device shown is not Villustrated in detail because it readily understood speed control Wheel 14.

' shaft 10by a top step 2 at which (Fig. 8) is provided is 'of Well known construction. lts bearings 12 are shown, as belt tightening adjuster In Fig. 1 Well as its 18 and its change A chain 15 driven drives the Worm drives the main gear connection controlled by a clutch. This connection may be of 4any suitable kind: conveniently the Worm gear may be mounted for' loose rotation on the shaft 10 and may be provided with clutch teeth; opposing clutch teeth may be provi-ded on a clutch collar splined to .the shaft 10 and slidable thereon. As will be the sliding' of the collar by the yoke lever 17 pivoted on the end casing 17 so as to engage its teeth With those of the Worm Wheel Will cause the constantly rotating Worm Wheel to drive the shaft 10. The'lever 17 is contr'olled by a handle 18 rotatably heldin the-right end bearing 3 and connected With the rod 19 by an .deccentric pin 20 (Figs. 24 and 25). The left end ofthe rod by this device ysuitably shaft 16 which in turn Worm and tion.V

The mold is located on the right end of the point a nozzle hole 21 in the step 2, the top stand heilig' recessed as shown to providev space for the melting pot when swung and raised into operating position with its nozzle projecting upwardly through said hole 21. On the step is provided a rectangular block 22 serving as a base for the mold. This block is also provided with a nozzle opening 23 and a separable nozzle seat 24. Resting on the base 22 are two wearing plates 25, 25 (Fig. 6) separated from each other to form a longitudinal crack in which at the left tits the adjustable blade or abutment 26, one end of which extends over the nozzle seat to a position a,ppro.\'imatel)` at the edge of the metal injectingr hole in the nozzle and the other end of which extends externally of the mold wearing plates to abut against the wedge 27 (Fig. 6) haring steps 27 so that it may be adjusted cross- Wise of the mold to move the blade 26 and adjust it relatively to the nozzle hole. The right portion of the crack between the wearing plates is occupied by ay eut-oil`l blade 28 similar to the blade 26, the blade 2S being movable longitudinally from a position abutting the end of the blade 26 to a removed position opening a. passage from the nozzle hole through the mold base strut--A ture just described. The eut-oit blade or slide 28 is operated from the lever 9 in a manner to be hereinafter described. The blades 26 and 2S are substantially inverted T-shaped in cross section (Fig. 11) their broad base .sliding on the top of the base block 22 and their vertical stem sliding hetween the proximate edges of the wearing plates 25, 25', the latter being euty awa)v at such edges to accommodate the bases oi' the blades. The vertical stems are extended as at 26', 2S beyond the bases to slide over the nozzle plate (Figs. 9, 1 0 and 12) and the top surfaces of the stems are even with the top surfaces of the wear plates to ierm a smooth table on which the mold strueture may be built. A ridge 29 on the hase 22 and the clip 30 secured to the base bleek hold the wear plates in position with the abutment tight-ly held between them. The nozzle plate 24 is of a conical form and is seated in a recess in the block 22: the wear plates and abutment 26 and slide 2S are shaped to accommodate the nozzle plate and the extensions 26 and 2S slide over-the top of the nozzle plate. Then the slide extensitm 2H is moved to contact with the abutment extension 26 as shown in Figs. 9 and 1t), the nozzle opening is, as is evident eut ott and How of metal into the mold cavity is prevented. lVhen the slide 28 is opened, metal may How into the mold cavity under pres-- sure from the pump. The abutmenty and eut off slide construction, it will be noted, is in general similar in purpose to that shown in Patent No. 1,581,125, previously mentioned.

Secured upon the mold base structure are i sistin` ot the trent eheek block 3l and the rear eheek block S2, the securing bolts S3 passiirah through large holes in the cheek blocks and being` adapted to sereiv into the proper holes oit a series in the l structure, thus permitting a variable positioning o' the eheek blocks. Between the cheek blorks are the type blocks, the rear ty pe bleek 34 being et a single piece and the liront type block, eonthe main section section or gripping piece 35'; rThe height oit the type blocks is reduced eontrollably at lti to torni a matrix seat and the eheek blocks are beveled or cut away at 3T to provide a space tor the matrix and matrix holder or their equivalent. The rheek and type blocks and the point blocks are bound together by bolts 38 and the exit portion of. the type blocks are maintained separated by a, point bleek 39, the Width ot which depends upon the point size ot the east to be made. ,lhe forward portions ot the type blocks are separated by the slidable mold blade #lll above which is the point bleek 40. The front cheek bleek 8l is notched or provided with an opening in its underside to provide for the Cross bleek .ll which slides on the base structure with its side against the vvall l2 ot the 'notched bloek. This wall is located so that the eross bleek when extended across the mold zavity in elosed or type easting position with its end in Contact with the rear type block provides a side Iwall ttor the mold cavity which properly positioned with reterenee to the metal entranee or port provided between the 'Wear plates and the abutment end 2G and the cut-ellA slide end lt-l. rlrhe iv all 4t2 is in the plane of the end Wall l2-5 oi:v front type bleek section 35 (F l2). rlhe cross block is `in sliding; contact on its other side with the abutment bleek Llei, also located in said noteh and adjusted with reterenee to the cross block by sereivs in the holes elo. The bloek t4 is notehed at lo lor the accommodation ot the stepped end l-ll o'lf the type bleek section. 35. rlfhe inner, `wall ol the section 35 and the inner end o'l the bloek 411i 'torni an. extension ot the inner, mold cavity lorininp' wall et the section 35.

The lett end of the niold is provided with. an abutuunit or squaring` block Ali' notched in its lower portion so as to bridge over the mold blade. The block l? is 'provided with slots through Whieh bolts project to adjustably secure the bleek to the ends ot the cheek bloeks. T he lower portion ot the abutment block extends belen' the plane oi" the wear plates so as to provide a space be tween the bleek el-T and the end ol the base structure ot the mold. ln this space loiated the peeking piece ltl having a, 'l'lat top for supporting` the wedge 2T previously men tioned and a rid ge 48 tor the wedge to back against. The Jfront ot the Wedge eoiitael's,

as previously described,` with the end of Z and the exit abutment 2.6. A mold blade torvvard stop 49 is secured to the block 4l? beneath the blade 410. lt will Vseen that the mold cavity between the tyjiie blocks and the Cross block may be adjusted longitudinally with respect to the nozzle opening; because ot the enlarged openings through which the rtasteninibil bolts El?) extend, sueh adjustment et the type and eheek blocks carrying with it the abutment block Ll which in turn controls the position et the mold blade stop ell) and .otI the abutment slide 2G through the packing piece 48 and Wedge 2T. Ot course,y separate packing?r pieces ol the desired size may be employed `Without the aeeomjninying.wedge as shown at 48 in Figs. S) and 1 0, where long casts ontusion casts are illustrated. rllhe cheek and type bloeks may be sejviaratcd lor any desired point since by employing the proper holes in the base 22 iter the tastening,l bolts 33, the bolt slots in the abutment bloei L7 permitting o'l" this adjustment.

,lhe adjustment ot the upper strruzture ot the mold crossivise olt the nozzle opening` is aceomplished by pushing.; this strueture back- Ward until the packing` lugs 42) on the rear cheek bleek come into contact with the abutments a9 seeured to the niold base (Figs. 5 and l2). It will be understood that the lugs 'ltl are intr-,rchangeable and the proper ones are end )loyed to position the mold selectively over the nrw/ile openiiig. '.l`his adjustment j )ositions the cross block relatively to the noymle opening;` and to the metal inlet port.

it Alriction clamp located on the eheek block 3l to the ripglit or exit side ot the eross block and consists oit a pin 50 slidable in a, hole 51 in the eheek bleek7 its inner end contaotinr;- with the type bloek section 35. A bracket 52 secured to the 'liront face oit the eheek bleek 'terms a pivot tor a bell crank lever 525 havingv a short, depending; arm Alor Contact. with the outer end ol the `pin 50 and a lonpg, horizontal arm to which power is applied and relieved in timed relation. to Athe various tilinetions ot the .machine to cause the pin to press against the type block section or gripping element 35', and thus grip the material already cast and not yet ejected entirely :from the mold, the gripping einp,` applied when the material is not in motion and the releasing;l being.; when the material. in the act o' beingejected furth r toward the exit end ot the mold. rl`he gripping; is tacilitated by the element 235', being` `nroovet as at 52 to give a springielleet and being; provided with a slight grippiim` lug,l 53 ot small dimensions, said lug' beingr wedgeshaped to allow the cast type or strip to be readily advanced by the ejectinp` action oi? the mold blade, and said lug;` being adapted to bc tightly 1to1-eed against or into the east byaetion et'. the lever 523 and pin 50.

llhe mold blade. l0 may be solid but as .shown it is inade up of various parts shown j the mold base'structure, the core '55 above the separated in Fig. 19 and assembled in Fie.

The mold blade shown is adapted to the making of hollow types and strips, such as the hollow ty )es 54 and 54 shown in Figs. 14 and 18 res )ec-tively and the fused strip 54 shown in F 10. These typographie elements are ol*l usual outside size and dimenspaces separated by a vertical rib. These spaces are formed by the blade cores 55, 55 each provided with a depending lug 56, 56 w lich Contact with the packing piece 48 on one side and the stop 49 on the other side. ie cores are thus maintained immovable and are of such length as to project into the mold cavity, their ends being in the neighborhood of the cross block, one core eingon one side ot the inlet port and the other on the other able members are the and the front slide 59. The shaped and are assembled on edge and in contact, with each other, the channels being toward each other;

the outside height of each slide corresponds to the body height of the material to be cast and their combined width to the point size of suoli material. he cores are placed, each in its channel and the height oi the cores is equal to the inside height ot' the channels. he central slide 57 fits between the cores and takes up all the channel room therebetween. The cores as shown are sloped at the top and the slide 57 is wedge-shaped at tie upper portion to fit said slopes. The lower floor of each channel piece is notched at 60 to allow the core lugs 56, 56 to project below the compound blade and the notches are lengtliened to permit of sliding of the channel and central members on the cores. The movable members are longer than the cores and extend clear ol the mold at which point there is provided in the lower surface of the channels 58 and 59 a stop lug 61 to relatively fixed stop 49 in arresting the forward movement of the blade. he central member 57 is caused to move n'ieinbers because of the pin 62 passing through holes G3 to tie tie movable members together and cause them to move as one. l

he assembled blade is placed to slide on lugs 56, 5G 48 and the are thus raised surface of the mold base so that metal may flow around them. rlhe ends of the movablel members 57, 58 and 59 forman end wall of the mold cavity, these parts having a metal tight, sliding fit around the cores and also with the bottom of the mold cavity over which the channel edges slide and with the type blocks 35 in Contact with which the outside sides of the channels 58 eing between the packingl piece forward stop 49. The cores and 59 slide. pound blade drain pipes discharge into the basin (56 (Figs. 1 and from which the water is discharged by suitable piping.

he. operation of the mold blade accomplished from the lever 4 previously inentioned, the upper end ol.E which is connected to the short arm of the bell crank lever (37 pivoted parallel with the upper platform 2 by the bolt ('38 by means of lie )ring box link G9: tiis link pro-vided willi springs in a well-known manner so as to yield in both directions of travel. ol' the lever Y arm con nected by the link to the long lever 7l, the opposite end of the lever 71 being plv oled 'by the bol-t 72 .to -the adjustable carrier 73. he lever 7l is connected centrally b v .point of .the (ongl lever 75., `one end of wliicl-i. is pivoted at 7b' to the lree end ol' compensating lever 77 and the opposite `end at 7G to the mold blade connecting slide 78 (Figs. 5 and 1G) (he right end ot which is provided with an upstanding lug 79 to couple with the lug` ('lon the mold lblade 40 so as to cause 4(lie meld )lade to reciprocate with the sl ide 78. The compensating lever 77 is pi voted at 77 and swings to permit the slide 78 yto move iii a straight line. the reciprocations of the lever 4 are raiismitted thro-ugh the levers and links mentioned, to the mold blade. With the lever 4 pulled away from the top stand the meld blade will be withdrawn to the leit ol' the metal entrance of the mold., `as shown in F ig. v'5; when pushed toward the top stand` the parts will be as shown in dot-and-dash lines in Fig. 5. he stroke 'of the mold blade, it will be observed, .is increasi-id somewhat over that of the iippeil end ol lever 4. he rear stop of .the mold blade is the righi end of vcarrier 73 Aas shown at 73 (Fig. 15) against which surface the left end ol the blade abuts. The adjustable carrier 73 .is shown clearly in Fig. 15. It is provided with a vertical slot in which the raised rear end 80 of the mold b ade slide 78 slidably its as shown in dotted lines in Fig. 15. The surface 81 of this slide may come against the end wall 82 of the slot in :the member 73 lo act asa stop.. The lower section ol' the slide 78 seat-s in a groove in the under surface el the adjustable stop 73. A hole 83 in ihe member 78 serves for the pivot 7G ole the tong lever 75. Similarly a hole 84 in the It will readily be seen that adjustable carrier 73 serves for the pivot bolt 72 of the tong lever 71.

On the left end of the portion 2 of the main stand 2 is secured a bracket 85 having a llorizontal. top portion suitable for slide.

ably supporting the adjustable carrier 73: a top plate 86 above the carrier holds it in contact with the bracket. The bracket may be extended rearwardly, as shown, to serve as a support for the bell crank pivot 68 and the compensating lever pivot 77. 1t also acts as a bearing for the lower surface of slide 78. In front of andparallel with the member 78 the stop 73 is provided with a recess for the reception of a coiled compression spring 87, also held down by the plate 86. A lug 88 riveted'to the underside of the plate at its right end contines the spring at one end, while the other end comes against the shoulder 89 forming the end of the spring recess. The opposite side of the shoulder is cut at an angle and is provided with a hardened wear pin 90 (Figs. 18 and 17). It will be seen that, since the lug` 88 is stationary, the action of the spring will cause the member' 73 to slide to the left.,

Opposing the wedge face of the pin 90 is the correspondingly angled face of the wedge 91, the opposite, vertical face of which contacts with a slotted, fixed block 92 held by a cylindrical casting 93, secured to the bracket 85, the wedge and the block 92 being within the cylinder. The wedge is held laterally by forked projections 89 of the carrier 73 with the slot sides of block 92. The top, horizontal end of the wedge is adapted to contact with the screw 94 screwthreaded in the top of the casting 93. On the upper end of the screw is the operating handle 95 and below it is the scale ring 96 clamped so as to be rotatable with the screw. Turning the handle one way moves the screw to push against the wedge 91 and force it downward, thus moving the carrier 7 3 to the right: turning` it the other way allows the wedge to move upward due to the spring 87. In any position of the screw 94, it may be clamped by turning the set screw handle 97 the set screw 98 of which is threaded through the side of the casting 98, and has a shoe 99 at its inner end for locking engagement with the screw 94, in an obvious manner. The casting 93 is provided with a vertical bore in which is provided the pica pin 100, the upper end of which is hooked to the periphery of the scale ring` 96, so that rotary movements of the lat` ter will cause the pin to slide up or down in the bore. The pin and bore are angularly positioned as shown in Fig. 5 so as to be easily seen by the operator and the pin is provided with Zero marks O, 1, and 8 to be read in conjunction with the pica scale 101 secured to the casting 93 at one side of the pica pin 100 and shown diagrammatically in Figs. 13 and 17. The skirt of scale ring 96 is marked into points and fractions thereof which are readable with reference to a vertical Zero point placed on the pin 100 where it slidably contacts with the ring 96. In practice either 0, il., or 3 on the pin 100 are used as Zero points dependingr upon whether packing piece 48, 48 is being' used, there being provided three sizes of such packing pieces. A single turn of the wheel 95 will raise the pin 100 a l1alf-pica on the scale 101. It will be seen that the carrier 73 may be adjusted by accurate micrometer measurement to picas; points and fractions of points, this adjustment locating the rear stop surface 78 for the mold blade stop end 64. Thus the forward end of the mold blade 40 may be accurately positioned on its rearward or mold-cavity dimensioning` stroke so as to provide a cavity of definite length. The normal forward mold blade stop, as has previously been stated, is the block 49 or an interponent coming between that block and the forward face of the depending lug 61 on the mold blade 40, although for very short casts the surface 81 of the mold blade slide 78 comingagainst the slot end 82 of the carrier 7 3.

The pump mechanism is operated from cam lever 5 connected at- `i ts upper end with a rod 102 extending downwardly and rearwardly tlnfough windows in the stepped por- -tion of the main stand, its lever end being pivoted to the pump bell crank 103 (Figs. 3 and 7) pivoted to the main stand. The connection between rod 102 and lever 5 consists of a slotted head 104 and binding handle 105 such that when the handle is pushed down the lever will oscillate idly in the slot and when the handle is pushed up the rod and lever are bound Atogether to cause the lever to move the rod and actuate the pump. The construction of this hand-controlled connection is substantially as shown and fully described for the material making ma chine disclosed in. Letters Patent No. 1,581,125, previously mentioned. It will therefore be unnecessary to describe it in detail herein. The pump and metal pot and associated parts are, as shown, generally similar to the corresponding parts of the machine of the above patent and to the type casting machines manufactured by Lanston Monotype Machine Company and the opera* tion of the machine as a whole is similar to that of such well known machines. It will therefore be unnecessary to describe the mechanisms referred to, in detail, reference being had to the above patent, although certain identifying parts may be pointed out; for example, the piston lever operating` rod 106, the swing frame 107 the latch device 108, the pot 109, the pump body 110,` the piston 111, the piston lever 112, the pot raising screw and handle 118, all of which are 

